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• EmailableReporter2.java

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org.testng.reporters.EmailableReporter2 Maven / Gradle / Ivy

package org.testng.reporters;

import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.text.NumberFormat;
import java.util.Comparator;
import java.util.Iterator;
import java.util.List;
import java.util.Optional;
import java.util.Set;
import java.util.stream.Collectors;

import org.testng.IReporter;
import org.testng.ISuite;
import org.testng.ISuiteResult;
import org.testng.ITestContext;
import org.testng.ITestResult;
import org.testng.Reporter;
import org.testng.collections.Lists;
import org.testng.internal.Utils;
import org.testng.log4testng.Logger;
import org.testng.xml.XmlSuite;
import org.testng.xml.XmlSuite.ParallelMode;

import static java.nio.charset.StandardCharsets.UTF_8;
import static java.nio.file.Files.newBufferedWriter;

/** Reporter that generates a single-page HTML report of the test results. */
public class EmailableReporter2 implements IReporter {
  private static final Logger LOG = Logger.getLogger(EmailableReporter2.class);

  protected PrintWriter writer;

  protected final List suiteResults = Lists.newArrayList();

  // Reusable buffer
  private final StringBuilder buffer = new StringBuilder();

  private String fileName = "emailable-report.html";

  public void setFileName(String fileName) {
    this.fileName = fileName;
  }

  public String getFileName() {
    return fileName;
  }

  @Override
  public void generateReport(
      List xmlSuites, List suites, String outputDirectory) {
    try {
      writer = createWriter(outputDirectory);
    } catch (IOException e) {
      LOG.error("Unable to create output file", e);
      return;
    }
    for (ISuite suite : suites) {
      suiteResults.add(new SuiteResult(suite));
    }

    writeDocumentStart();
    writeHead();
    writeBody();
    writeDocumentEnd();

    writer.close();
  }

  protected PrintWriter createWriter(String outdir) throws IOException {
    new File(outdir).mkdirs();
    String jvmArg = RuntimeBehavior.getDefaultEmailableReport2Name();
    if (jvmArg != null && !jvmArg.trim().isEmpty()) {
      fileName = jvmArg;
    }
    return new PrintWriter(newBufferedWriter(new File(outdir, fileName).toPath(), UTF_8));
  }

  protected void writeDocumentStart() {
    writer.println(
        "");
    writer.println("");
  }

  protected void writeHead() {
    writer.println("");
    writer.println("");
    writer.println("");
    writeStylesheet();
    writer.println("");
  }

  protected void writeStylesheet() {
    writer.print("");
  }

  protected void writeBody() {
    writer.println("");
    writeSuiteSummary();
    writeScenarioSummary();
    writeScenarioDetails();
    writer.println("");
  }

  protected void writeDocumentEnd() {
    writer.println("");
  }

  protected void writeSuiteSummary() {
    NumberFormat integerFormat = NumberFormat.getIntegerInstance();
    NumberFormat decimalFormat = NumberFormat.getNumberInstance();

    int totalPassedTests = 0;
    int totalSkippedTests = 0;
    int totalFailedTests = 0;
    int totalRetriedTests = 0;
    long totalDuration = 0;

    writer.println("");
    writer.print("");
    writer.print("");
    writer.print("");
    writer.print("");
    writer.print("");
    writer.print("");
    writer.print("");
    writer.print("");
    writer.print("");
    writer.println("");

    int testIndex = 0;
    for (SuiteResult suiteResult : suiteResults) {
      writer.print("");

      for (TestResult testResult : suiteResult.getTestResults()) {
        int passedTests = testResult.getPassedTestCount();
        int skippedTests = testResult.getSkippedTestCount();
        int failedTests = testResult.getFailedTestCount();
        int retriedTests = testResult.getRetriedTestCount();
        long duration = testResult.getDuration();

        writer.print("");

        buffer.setLength(0);
        writeTableData(
            buffer
                .append("")
                .append(Utils.escapeHtml(testResult.getTestName()))
                .append("")
                .toString());
        writeTableData(integerFormat.format(passedTests), "num");
        writeTableData(integerFormat.format(skippedTests), (skippedTests > 0 ? "num attn" : "num"));
        writeTableData(integerFormat.format(retriedTests), (retriedTests > 0 ? "num attn" : "num"));
        writeTableData(integerFormat.format(failedTests), (failedTests > 0 ? "num attn" : "num"));
        writeTableData(decimalFormat.format(duration), "num");
        writeTableData(testResult.getIncludedGroups());
        writeTableData(testResult.getExcludedGroups());

        writer.println("");

        totalPassedTests += passedTests;
        totalSkippedTests += skippedTests;
        totalFailedTests += failedTests;
        totalRetriedTests += retriedTests;
        totalDuration += duration;

        testIndex++;
      }
      boolean testsInParallel = XmlSuite.ParallelMode.TESTS.equals(suiteResult.getParallelMode());
      if (testsInParallel) {
        Optional maxValue = suiteResult.testResults.stream()
            .max(Comparator.comparing(TestResult::getDuration));
        if (maxValue.isPresent()) {
          totalDuration = Math.max(totalDuration, maxValue.get().duration);
        }
      }
    }

    // Print totals if there was more than one test
    if (testIndex > 1) {
      writer.print("");
      writer.print("");
      writeTableHeader(integerFormat.format(totalPassedTests), "num");
      writeTableHeader(
          integerFormat.format(totalSkippedTests), (totalSkippedTests > 0 ? "num attn" : "num"));
      writeTableHeader(
          integerFormat.format(totalRetriedTests), (totalRetriedTests > 0 ? "num attn" : "num"));
      writeTableHeader(
          integerFormat.format(totalFailedTests), (totalFailedTests > 0 ? "num attn" : "num"));
      writeTableHeader(decimalFormat.format(totalDuration), "num");
      writer.print("");
      writer.println("");
    }

    writer.println("
Test
# Passed
# Skipped
# Retried
# Failed
Time (ms)
Included Groups
Excluded Groups
");
      writer.print(Utils.escapeHtml(suiteResult.getSuiteName()));
      writer.println("
Total
");
  }

  /** Writes a summary of all the test scenarios. */
  protected void writeScenarioSummary() {
    writer.print("");
    writer.print("");
    writer.print("");
    writer.print("");
    writer.print("");
    writer.print("");
    writer.print("");
    writer.print("");
    writer.print("");

    int testIndex = 0;
    int scenarioIndex = 0;
    for (SuiteResult suiteResult : suiteResults) {
      writer.print("");

      for (TestResult testResult : suiteResult.getTestResults()) {
        writer.printf("", testIndex);

        String testName = Utils.escapeHtml(testResult.getTestName());
        int startIndex = scenarioIndex;

        scenarioIndex +=
            writeScenarioSummary(
                testName + " — failed (configuration methods)",
                testResult.getFailedConfigurationResults(),
                "failed",
                scenarioIndex);
        scenarioIndex +=
            writeScenarioSummary(
                testName + " — failed",
                testResult.getFailedTestResults(),
                "failed",
                scenarioIndex);
        scenarioIndex +=
            writeScenarioSummary(
                testName + " — skipped (configuration methods)",
                testResult.getSkippedConfigurationResults(),
                "skipped",
                scenarioIndex);
        scenarioIndex +=
            writeScenarioSummary(
                testName + " — skipped",
                testResult.getSkippedTestResults(),
                "skipped",
                scenarioIndex);
        scenarioIndex +=
            writeScenarioSummary(
                testName + " — retried",
                testResult.getRetriedTestResults(),
                "retried",
                scenarioIndex);
        scenarioIndex +=
            writeScenarioSummary(
                testName + " — passed",
                testResult.getPassedTestResults(),
                "passed",
                scenarioIndex);

        if (scenarioIndex == startIndex) {
          writer.print("");
        }

        writer.println("");

        testIndex++;
      }
    }

    writer.println("
Class
Method
Start
Time (ms)
");
      writer.print(Utils.escapeHtml(suiteResult.getSuiteName()));
      writer.print("
");
  }

  /** Writes the scenario summary for the results of a given state for a single test. */
  private int writeScenarioSummary(
      String description,
      List classResults,
      String cssClassPrefix,
      int startingScenarioIndex) {
    int scenarioCount = 0;
    if (!classResults.isEmpty()) {
      writer.print("");
      writer.print(description);
      writer.print("");

      int scenarioIndex = startingScenarioIndex;
      int classIndex = 0;
      for (ClassResult classResult : classResults) {
        String cssClass = cssClassPrefix + ((classIndex % 2) == 0 ? "even" : "odd");

        buffer.setLength(0);

        int scenariosPerClass = 0;
        int methodIndex = 0;
        for (MethodResult methodResult : classResult.getMethodResults()) {
          List results = methodResult.getResults();
          int resultsCount = results.size();
          assert resultsCount > 0;

          ITestResult firstResult = results.iterator().next();
          String methodName = Utils.escapeHtml(firstResult.getMethod().getMethodName());
          long start = firstResult.getStartMillis();
          long duration = firstResult.getEndMillis() - start;

          // The first method per class shares a row with the class
          // header
          if (methodIndex > 0) {
            buffer.append("");
          }

          // Write the timing information with the first scenario per
          // method
          buffer
              .append("")
              .append(methodName)
              .append("")
              .append("")
              .append(start)
              .append("")
              .append("")
              .append(duration)
              .append("");
          scenarioIndex++;

          // Write the remaining scenarios for the method
          for (int i = 1; i < resultsCount; i++) {
            buffer
                .append("")
                .append("")
                .append(methodName)
                .append("");
            scenarioIndex++;
          }

          scenariosPerClass += resultsCount;
          methodIndex++;
        }

        // Write the test results for the class
        writer.print("");
        writer.print("");
        writer.print(Utils.escapeHtml(classResult.getClassName()));
        writer.print("");
        writer.print(buffer);

        classIndex++;
      }
      scenarioCount = scenarioIndex - startingScenarioIndex;
    }
    return scenarioCount;
  }

  /** Writes the details for all test scenarios. */
  protected void writeScenarioDetails() {
    int scenarioIndex = 0;
    for (SuiteResult suiteResult : suiteResults) {
      for (TestResult testResult : suiteResult.getTestResults()) {
        writer.print("
");
        writer.print(Utils.escapeHtml(testResult.getTestName()));
        writer.print("
");

        scenarioIndex +=
            writeScenarioDetails(testResult.getFailedConfigurationResults(), scenarioIndex);
        scenarioIndex += writeScenarioDetails(testResult.getFailedTestResults(), scenarioIndex);
        scenarioIndex +=
            writeScenarioDetails(testResult.getSkippedConfigurationResults(), scenarioIndex);
        scenarioIndex += writeScenarioDetails(testResult.getSkippedTestResults(), scenarioIndex);
        scenarioIndex += writeScenarioDetails(testResult.getPassedTestResults(), scenarioIndex);
      }
    }
  }

  /** Writes the scenario details for the results of a given state for a single test. */
  private int writeScenarioDetails(List classResults, int startingScenarioIndex) {
    int scenarioIndex = startingScenarioIndex;
    for (ClassResult classResult : classResults) {
      String className = classResult.getClassName();
      for (MethodResult methodResult : classResult.getMethodResults()) {
        List results = methodResult.getResults();
        assert !results.isEmpty();

        String label =
            Utils.escapeHtml(
                className + "#" + results.iterator().next().getMethod().getMethodName());
        for (ITestResult result : results) {
          writeScenario(scenarioIndex, label, result);
          scenarioIndex++;
        }
      }
    }

    return scenarioIndex - startingScenarioIndex;
  }

  /** Writes the details for an individual test scenario. */
  private void writeScenario(int scenarioIndex, String label, ITestResult result) {
    writer.print("
");
    writer.print(label);
    writer.print("
");

    writer.print("");

    boolean hasRows = false;

    // Write test parameters (if any)
    Object[] parameters = result.getParameters();
    int parameterCount = (parameters == null ? 0 : parameters.length);
    hasRows = dumpParametersInfo("Factory Parameter", result.getFactoryParameters());
    parameters = result.getParameters();
    parameterCount = (parameters == null ? 0 : parameters.length);
    hasRows = dumpParametersInfo("Parameter", result.getParameters());

    // Write reporter messages (if any)
    List reporterMessages = Reporter.getOutput(result);
    if (!reporterMessages.isEmpty()) {
      writer.print(" 1) {
        writer.printf(" colspan=\"%d\"", parameterCount);
      }
      writer.print(">Messages");

      writer.print(" 1) {
        writer.printf(" colspan=\"%d\"", parameterCount);
      }
      writer.print(">");
      writeReporterMessages(reporterMessages);
      writer.print("");
      hasRows = true;
    }

    // Write exception (if any)
    Throwable throwable = result.getThrowable();
    if (throwable != null) {
      writer.print(" 1) {
        writer.printf(" colspan=\"%d\"", parameterCount);
      }
      writer.print(">");
      writer.print(
          (result.getStatus() == ITestResult.SUCCESS ? "Expected Exception" : "Exception"));
      writer.print("");

      writer.print(" 1) {
        writer.printf(" colspan=\"%d\"", parameterCount);
      }
      writer.print(">");
      writeStackTrace(throwable);
      writer.print("");
      hasRows = true;
    }

    if (!hasRows) {
      writer.print(" 1) {
        writer.printf(" colspan=\"%d\"", parameterCount);
      }
      writer.print(" class=\"invisible\"/>");
    }

    writer.print("");
    writer.println("
back to summary
");
  }

  private boolean dumpParametersInfo(String prefix, Object[] parameters) {
    int parameterCount = (parameters == null ? 0 : parameters.length);
    if (parameterCount == 0) {
      return false;
    }
    writer.print("");
    for (int i = 1; i <= parameterCount; i++) {
      writer.print(String.format("%s #", prefix));
      writer.print(i);
      writer.print("");
    }
    writer.print("");
    for (Object parameter : parameters) {
      writer.print("");
      writer.print(Utils.escapeHtml(Utils.toString(parameter)));
      writer.print("");
    }
    writer.print("");
    return true;
  }

  protected void writeReporterMessages(List reporterMessages) {
    writer.print("
");
    Iterator iterator = reporterMessages.iterator();
    assert iterator.hasNext();
    if (Reporter.getEscapeHtml()) {
      writer.print(Utils.escapeHtml(iterator.next()));
    } else {
      writer.print(iterator.next());
    }
    while (iterator.hasNext()) {
      writer.print("
");
      if (Reporter.getEscapeHtml()) {
        writer.print(Utils.escapeHtml(iterator.next()));
      } else {
        writer.print(iterator.next());
      }
    }
    writer.print("
");
  }

  protected void writeStackTrace(Throwable throwable) {
    writer.print("
");
    writer.print(Utils.shortStackTrace(throwable, true));
    writer.print("
");
  }

  /**
   * Writes a TH element with the specified contents and CSS class names.
   *
   * @param html the HTML contents
   * @param cssClasses the space-delimited CSS classes or null if there are no classes to apply
   */
  protected void writeTableHeader(String html, String cssClasses) {
    writeTag("th", html, cssClasses);
  }

  /**
   * Writes a TD element with the specified contents.
   *
   * @param html the HTML contents
   */
  protected void writeTableData(String html) {
    writeTableData(html, null);
  }

  /**
   * Writes a TD element with the specified contents and CSS class names.
   *
   * @param html the HTML contents
   * @param cssClasses the space-delimited CSS classes or null if there are no classes to apply
   */
  protected void writeTableData(String html, String cssClasses) {
    writeTag("td", html, cssClasses);
  }

  /**
   * Writes an arbitrary HTML element with the specified contents and CSS class names.
   *
   * @param tag the tag name
   * @param html the HTML contents
   * @param cssClasses the space-delimited CSS classes or null if there are no classes to apply
   */
  protected void writeTag(String tag, String html, String cssClasses) {
    writer.print("<");
    writer.print(tag);
    if (cssClasses != null) {
      writer.print(" class=\"");
      writer.print(cssClasses);
      writer.print("\"");
    }
    writer.print(">");
    writer.print(html);
    writer.print("");
  }

  /** Groups {@link TestResult}s by suite. */
  protected static class SuiteResult {
    private final String suiteName;
    private final List testResults = Lists.newArrayList();
    private final ParallelMode mode;

    public SuiteResult(ISuite suite) {
      suiteName = suite.getName();
      mode = suite.getXmlSuite().getParallel();
      for (ISuiteResult suiteResult : suite.getResults().values()) {
        testResults.add(new TestResult(suiteResult.getTestContext()));
      }
    }

    public String getSuiteName() {
      return suiteName;
    }

    /** @return the test results (possibly empty) */
    public List getTestResults() {
      return testResults;
    }

    public ParallelMode getParallelMode() {
      return mode;
    }
  }

  /** Groups {@link ClassResult}s by test, type (configuration or test), and status. */
  protected static class TestResult {
    /** Orders test results by class name and then by method name (in lexicographic order). */
    protected static final Comparator RESULT_COMPARATOR =
        Comparator.comparing((ITestResult o) -> o.getTestClass().getName())
            .thenComparing(o -> o.getMethod().getMethodName());

    private final String testName;
    private final List failedConfigurationResults;
    private final List failedTestResults;
    private final List skippedConfigurationResults;
    private final List skippedTestResults;
    private final List retriedTestResults;
    private final List passedTestResults;
    private final int failedTestCount;
    private final int retriedTestCount;
    private final int skippedTestCount;
    private final int passedTestCount;
    private final long duration;
    private final String includedGroups;
    private final String excludedGroups;

    public TestResult(ITestContext context) {
      testName = context.getName();

      Set failedConfigurations = context.getFailedConfigurations().getAllResults();
      Set failedTests = context.getFailedTests().getAllResults();
      Set skippedConfigurations = context.getSkippedConfigurations().getAllResults();
      Set rawSkipped = context.getSkippedTests().getAllResults();
      Set skippedTests = pruneSkipped(rawSkipped);
      Set retriedTests = pruneRetried(rawSkipped);

      Set passedTests = context.getPassedTests().getAllResults();

      failedConfigurationResults = groupResults(failedConfigurations);
      failedTestResults = groupResults(failedTests);
      skippedConfigurationResults = groupResults(skippedConfigurations);
      skippedTestResults = groupResults(skippedTests);
      retriedTestResults = groupResults(retriedTests);
      passedTestResults = groupResults(passedTests);

      failedTestCount = failedTests.size();
      retriedTestCount = retriedTests.size();
      skippedTestCount = skippedTests.size();
      passedTestCount = passedTests.size();

      duration = context.getEndDate().getTime() - context.getStartDate().getTime();

      includedGroups = formatGroups(context.getIncludedGroups());
      excludedGroups = formatGroups(context.getExcludedGroups());
    }

    private static Set pruneSkipped(Set results) {
      return results.stream().filter(result -> !result.wasRetried()).collect(Collectors.toSet());
    }

    private static Set pruneRetried(Set results) {
      return results.stream().filter(ITestResult::wasRetried).collect(Collectors.toSet());
    }

    /** Groups test results by method and then by class. */
    protected List groupResults(Set results) {
      List classResults = Lists.newArrayList();
      if (!results.isEmpty()) {
        List resultsPerClass = Lists.newArrayList();
        List resultsPerMethod = Lists.newArrayList();

        List resultsList = Lists.newArrayList(results);
        resultsList.sort(RESULT_COMPARATOR);
        Iterator resultsIterator = resultsList.iterator();
        assert resultsIterator.hasNext();

        ITestResult result = resultsIterator.next();
        resultsPerMethod.add(result);

        String previousClassName = result.getTestClass().getName();
        String previousMethodName = result.getMethod().getMethodName();
        while (resultsIterator.hasNext()) {
          result = resultsIterator.next();

          String className = result.getTestClass().getName();
          if (!previousClassName.equals(className)) {
            // Different class implies different method
            assert !resultsPerMethod.isEmpty();
            resultsPerClass.add(new MethodResult(resultsPerMethod));
            resultsPerMethod = Lists.newArrayList();

            assert !resultsPerClass.isEmpty();
            classResults.add(new ClassResult(previousClassName, resultsPerClass));
            resultsPerClass = Lists.newArrayList();

            previousClassName = className;
            previousMethodName = result.getMethod().getMethodName();
          } else {
            String methodName = result.getMethod().getMethodName();
            if (!previousMethodName.equals(methodName)) {
              assert !resultsPerMethod.isEmpty();
              resultsPerClass.add(new MethodResult(resultsPerMethod));
              resultsPerMethod = Lists.newArrayList();

              previousMethodName = methodName;
            }
          }
          resultsPerMethod.add(result);
        }
        assert !resultsPerMethod.isEmpty();
        resultsPerClass.add(new MethodResult(resultsPerMethod));
        assert !resultsPerClass.isEmpty();
        classResults.add(new ClassResult(previousClassName, resultsPerClass));
      }
      return classResults;
    }

    public String getTestName() {
      return testName;
    }

    /** @return the results for failed configurations (possibly empty) */
    public List getFailedConfigurationResults() {
      return failedConfigurationResults;
    }

    /** @return the results for failed tests (possibly empty) */
    public List getFailedTestResults() {
      return failedTestResults;
    }

    /** @return the results for skipped configurations (possibly empty) */
    public List getSkippedConfigurationResults() {
      return skippedConfigurationResults;
    }

    /** @return the results for skipped tests (possibly empty) */
    public List getSkippedTestResults() {
      return skippedTestResults;
    }

    public List getRetriedTestResults() {
      return retriedTestResults;
    }

    /** @return the results for passed tests (possibly empty) */
    public List getPassedTestResults() {
      return passedTestResults;
    }

    public int getFailedTestCount() {
      return failedTestCount;
    }

    public int getSkippedTestCount() {
      return skippedTestCount;
    }

    public int getRetriedTestCount() {
      return retriedTestCount;
    }

    public int getPassedTestCount() {
      return passedTestCount;
    }

    public long getDuration() {
      return duration;
    }

    public String getIncludedGroups() {
      return includedGroups;
    }

    public String getExcludedGroups() {
      return excludedGroups;
    }

    /** Formats an array of groups for display. */
    protected String formatGroups(String[] groups) {
      if (groups.length == 0) {
        return "";
      }

      StringBuilder builder = new StringBuilder();
      builder.append(groups[0]);
      for (int i = 1; i < groups.length; i++) {
        builder.append(", ").append(groups[i]);
      }
      return builder.toString();
    }
  }

  /** Groups {@link MethodResult}s by class. */
  protected static class ClassResult {
    private final String className;
    private final List methodResults;

    /**
     * @param className the class name
     * @param methodResults the non-null, non-empty {@link MethodResult} list
     */
    public ClassResult(String className, List methodResults) {
      this.className = className;
      this.methodResults = methodResults;
    }

    public String getClassName() {
      return className;
    }

    /** @return the non-null, non-empty {@link MethodResult} list */
    public List getMethodResults() {
      return methodResults;
    }
  }

  /** Groups test results by method. */
  protected static class MethodResult {
    private final List results;

    /** @param results the non-null, non-empty result list */
    public MethodResult(List results) {
      this.results = results;
    }

    /** @return the non-null, non-empty result list */
    public List getResults() {
      return results;
    }
  }
}